Re: Getting GPS data into stream

[Marcus Müller]

Hey Marcus,
> Quite apart from the GPSD-specific stuff, it would be useful to have a kind of "annotated 
> formatted data" file sink for low-rate
>    data (like scientific data, etc) which supports CSV outputs, and has some way of 
> ordering any tags that come in with the
>    data and formatting them appropriately, but still be reasonably "generic"  (in that the 
> block doesn't really *know* anything
>    about the tags, and can be told how to format them).  Maybe *in addition* you could 
> pass the block a series of methods to
>    call at some configurable cadence.

HDF5, maybe? I think Haystack had something in that direction…

> This somewhat overlaps with what SigMF tries to do, but this is formatted data, inherently 
> low-rate, with formatted
>    annotations.
>
> I nearly always end up doing this in a custom way for my applications, but having a 
> generic block would be cool, and not
>    hard to do.   Could be entirely in Python, since we're talking "low rate" (like perhaps 
> a few per second at most).

Do agree, but really don't like CSV, too underspecified a format, too many ways that comes 
back to bite you (aside from a thousand SDR users writing emails that their PC can't keep 
up with writing a few MS/s of CSV…)

How important is plain-textness in your applications?

Best,
Marcus